Home / 3,155.52-4,354.56-1,739.22

Finding the Fourth Proportional to 3,155.52, 4,354.56 and 1,739.22

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Solution

The fourth proportional to 3,155.52, 4,354.56 and 1,739.22 is: 2,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.52 : 4,354.56 = 1,739.22 : x
  2. Step 2: Convert to fraction form
    3,155.52/4,354.56 = 1,739.22/x
  3. Step 3: Cross multiply
    3,155.52x = 4,354.56 × 1,739.22
  4. Step 4: Simplify right side
    3,155.52x = 7,573,537.84
  5. Step 5: Solve for x
    x = 7,573,537.84/3,155.52
  6. Step 6: Final answer
    x = 2,400.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.